UV Index
UV Index
Today's UV index in Plymouth, United Kingdom 
will be up to 5.3, indicating a moderate level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-10
With a UV index reaching up to 5.3 in Plymouth, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
Plymouth's UV index is generally low to moderate, often ranging from 1 to 4 throughout the year, with higher values in late spring and summer months. It rarely exceeds 6 due to its northern latitude and coastal position.
Seasonally, Plymouth experiences mild winters with temperatures around 5 to 10°C and cool summers averaging 15 to 20°C. Rainfall is fairly evenly spread across the year, but autumn and winter tend to be wetter and windier.
Compared to the wider South West England region, Plymouth is slightly milder and wetter because it faces the sea. It is cooler and rainier than southern England but warmer than northern parts of the UK. Neighboring countries like Ireland have similar mild, wet weather but often receive more rain.
See the UV index hour by hour for Plymouth, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.